| Digest Nr | Subject and Author |
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| 2018.12.30.01 | Glue for Urethane Coated Nylon Pneumatic Cloth, from Ray Fairfield |
| 2018.12.29.04 | Glue for Urethane Coated Nylon Pneumatic Cloth, from John A. Tuttle |
| 2018.12.28.04 | Glue for Urethane Coated Nylon Pneumatic Cloth, from Mark Washek |
| 2016.06.22.10 | Glue for Urethane Coated Nylon Pneumatic Cloth, from Bill Maguire |
| 2013.12.07.02 | Installing a Urethane Drive Belt, from Spencer Chase |
| 2013.12.02.04 | Source of Urethane Belting, from Don Shenbarger |
| 2012.06.18.06 | Leather, Rubber & Urethane Drive Belts, from Spencer Chase |
| 2012.06.17.07 | Leather, Rubber & Urethane Drive Belts, from John Dewey |
| 2012.06.17.06 | Leather, Rubber & Urethane Drive Belts, from Mike Kukral |
| 2012.06.17.05 | Leather, Rubber & Urethane Drive Belts, from David Dewey |
| 2012.06.17.04 | Leather, Rubber & Urethane Drive Belts, from Tom Neuhaus |
| 2012.06.16.01 | Leather, Rubber & Urethane Drive Belts, from Spencer Chase |
| 2007.03.30.09 | Urethane Belts for Reproducing Pianos, from Spencer Chase |
| 2006.03.15.04 | "Gorilla" Glue Urethane Adhesive, from Bill Klinger |
| 2000.04.03.11 | Source of Urethane Belt Material, from Philip Jamison |
| 2000.04.01.13 | Source of Urethane Belting, from Spencer Chase |
| 2000.03.31.15 | Source of Urethane Belt Material, from Mark Kinsler |
| 2000.03.30.08 | Urethane Belt for Piano Pump, from Spencer Chase |
| 1998.03.30.20 | Freeze Urethane for Machining, from Jeffrey Borinsky |
| 1998.03.29.24 | Liquid Nitrogen for Freezing Urethane, from Peter Neilson |
| 1998.03.29.23 | Freeze Urethane for Machining, from Jan Kijlstra |
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